20.042 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: Extracting # 3 : cost  0
0.035 * * [simplify]: Extracting # 4 : cost  0
0.035 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.036 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.053 * * [simplify]: Extracting # 0 : cost  0
0.053 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.075 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.125 * * [simplify]: Extracting # 0 : cost  0
0.125 * * [simplify]: Extracting # 1 : cost  0
0.125 * * [simplify]: Extracting # 2 : cost  0
0.126 * * [simplify]: Extracting # 3 : cost  0
0.126 * * [simplify]: iteration  6 :  278  enodes  (cost  7 )
0.249 * * [simplify]: Extracting # 0 : cost  0
0.249 * * [simplify]: Extracting # 1 : cost  0
0.250 * * [simplify]: Extracting # 2 : cost  0
0.251 * * [simplify]: Extracting # 3 : cost  0
0.251 * * [simplify]: iteration  7 :  705  enodes  (cost  7 )
1.113 * * [simplify]: Extracting # 0 : cost  0
1.117 * * [simplify]: Extracting # 1 : cost  0
1.120 * * [simplify]: Extracting # 2 : cost  0
1.122 * * [simplify]: Extracting # 3 : cost  0
1.124 * * [simplify]: Extracting # 4 : cost  0
1.127 * * [simplify]: iteration  8 :  3149  enodes  (cost  7 )
2.845 * * [simplify]: Extracting # 0 : cost  0
2.866 * * [simplify]: Extracting # 1 : cost  0
2.869 * * [simplify]: Extracting # 2 : cost  0
2.872 * * [simplify]: Extracting # 3 : cost  0
2.879 * * [simplify]: Extracting # 4 : cost  0
2.882 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
2.882 * [simplify]: Simplified to:
  (* (+ y x) (- x y))
2.884 * * [progress]: iteration 1 / 4
2.884 * * * [progress]: picking best candidate
2.885 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
2.885 * * * [progress]: localizing error
2.890 * * * [progress]: generating rewritten candidates
2.890 * * * [progress]: generating series expansions
2.890 * * * [progress]: simplifying candidates
2.890 * [simplify]: Simplifying:
  
2.890 * * [simplify]: Extracting # 0 : cost  0
2.890 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.890 * * [simplify]: Extracting # 0 : cost  0
2.890 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.890 * [simplify]: Simplified to:
  
2.890 * * * [progress]: adding candidates to table
2.891 * [progress]: [Phase 3 of 3] Extracting.
2.892 * [simplify]: Simplifying:
  (- (* x x) (* y y))
2.892 * * [simplify]: Extracting # 0 : cost  0
2.892 * * [simplify]: Extracting # 1 : cost  0
2.892 * * [simplify]: Extracting # 2 : cost  0
2.892 * * [simplify]: Extracting # 3 : cost  0
2.892 * * [simplify]: Extracting # 4 : cost  0
2.892 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
2.892 * * [simplify]: Extracting # 0 : cost  0
2.892 * * [simplify]: iteration done:  5  enodes  (cost  7 )
2.892 * [simplify]: Simplified to:
  (- (* x x) (* y y))
4.250 * [regime-testing]: Baseline error score: 0.005823848293626848
4.253 * [regime-testing]: Oracle error score: 0.005823848293626848
4.253 * [regime-testing]: End program error score: 0.005823848293626848